A photoelectron spectrum collected for an unknown element shows four distinct peaks…

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

A photoelectron spectrum collected for an unknown element shows four distinct peaks whose relative intensities (heights) from highest to lowest binding energy are 2 : 2 : 6 : 2. Which element is most consistent with this spectrum? (a) Na\mathrm{Na} (b) Al\mathrm{Al} (c) Mg\mathrm{Mg} (d) Ne\mathrm{Ne}

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